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BD/DVD/CD 대응 드라이브를 위한 고감도 10L 엑츄에이터
이영빈 ( Young Bin Lee ),장대종 ( Dae Jong Jang ),이종국 ( Jong Koog Lee ) 정보저장시스템학회 2005 추계학술대회논문집 Vol.2005 No.-
Nowadays, HD(High Definition) broadcasting is popular all over the world. Many people want to record the HD level contents. BD(Blu-ray Disc) is developed to satisty the needs. BD player for home movie system was manufactured already. ODD maker will produce BD Drive for PC{Personal Computer) within few months. Backward Compatibility is very important point in BD Drive. Until now, two OL(Object Lens), two optical pickup and two deck system are proposed. We suggest Single OL system in this paper. Single OL is composed of two optical parts and it``s weight is heavy. We introduce the magnetic circuit composed of two 3-Pole magnets. In Spite of heavy OL, We achieve the New Actuator which has high performance.
이용호(Yong-Ho Lee),이성태(Seong-Tae Lee),송근우(Geun-Woo Song),이종국(Jong-Koog Lee) 한국차학회 2004 한국차학회지 Vol.10 No.2
This study was carried out to find out a good qualified content of fertilizers and we had to experimented living 7 years tea plants on cultivating areas form such as divert tea plant upland from terraced paddy soil in local at Hadong-gun hwagae-myeon unsoo-ri 582-1, we had been studied from February 22 day of 2001 to October 30 day of 2003 The conclusions obtained were summarized as follow. 1. Experiment of soil in pH value was range 4.1~4.2 which there was necessary to reform in soil in order to pH range 5.5 grade by lime treated to soil(663~795kb/10a) and the number time of injection to soil was good as 3time over. 2. Content of available phosphate in soil was increased ranged from 129.5 to 138.3mg/kg than the former of experiment in soil as 64.8 mg/kg 3. The number of new tea leafs on the unit areas with tea plant were very much depending on application with N-P2O5-K2O-compost (17-14-14-700kg/10a) in soil such as a leaf of 2,292 also which it was high showed significance of interval years 4. Quantity of fresh leaves in tea plant application with N-P2O5-K2O-compost (17-14-14-700kg/10a) in soil was showed through the first collect of leaves range from 151.0 kg to 198.3 kg, the second collect of leaves range from 95.3 kg to 115.0 kb, the third collect of leaves range from 109.7 kg to 166.8 kg but the uantity of contain with tea pack was very much range from 1,039.9 kg to 1,139.1 kg 5. The first collect of leafs, were similar to content of total nitrogen, tannin, chlorophyll for N-P2O5-K2O-compost (17-14-14-700kg/10a) treatment in soil and N-P2O5-K2O-compost (17-14-14-700kg/10a) over treatment was showed high such as total nitrogen of 1.4% 6. In the case of tea pack was increased from content of crude fat, but tannin was decreased because of amount of many application with fertilizers in soil. 7. The recent of 3 years, farms had obtained to profits and income tax about 2,336won, 1.359won by application with N-P2O5-K2O-compost (17-14-14-700kg/10a) in soil compared with farmhouse of practice ratio 24.8%, but application with N-P2O5-K2O-compost (17-14-14-700kg/10a) treatment was a lot low. Accordingly, I think that effect of quantity increased through treated with N-P2O5-K2O-compost (17-14-14-700kg/10a) in soil and the component parts of green tea not changes turn to naturally with faculty
Alleviation of imiquimod-induced psoriasis-like symptoms in Rorα-deficient mouse skin
( Koog Chan Park ),( Jiwon Kim ),( Aram Lee ),( Jong-seok Lim ),( Keun Il Kim ) 생화학분자생물학회 2023 BMB Reports Vol.56 No.5
Retinoic acid receptor-related orphan receptor α (RORα) plays a vital role in various physiological processes, including metabolism, cancer, circadian rhythm, cerebellar development, and inflammation. Although RORα is expressed in the skin, its role in skin physiology remains poorly elucidated. Herein, Rorα was expressed in the basal and suprabasal layers of the epidermis; however, keratinocyte-specific Rorα deletion did not impact normal epidermal formation. Under pathophysiological conditions, Rorα-deficient mice exhibited alleviated psoriasis-like symptoms, including relatively intact epidermal stratification, reduced keratinocyte hyperproliferation, and low-level expression of inflammatory cytokines in keratinocytes. Unexpectedly, the splenic population of Th17 cells was significantly lower in keratinocytespecific RORα deficient mice than in the control. Additionally, Rorα-deficiency reduced imiquimod-induced activation of nuclear factor-κB and STAT3 in keratinocytes. Therefore, we expect that RORα inhibitors act on immune cells and keratinocytes to suppress the onset and progression of psoriasis. [BMB Reports 2023; 56(5): 296-301]
Lee, Wha Young,Song, In Kyu,Lee, Jong Koog 한국화학공학회 1995 NICE Vol.13 No.5
H₂ and CO permeabilities through H₃PMo_(12)O_(40)-blended polyvinylalcohol membrane and catalyst-free polyvinylalcohol membrane were measured. The blended membrane showed better selectivity and higher permeation flux of H₂ than the catalyst-free polyvinylalcohol membrane. Its enhanced Hz separation ability was mainly due to the selective sorption property of PMo embedded in the polyvinylalcohol membrane.
Lee, Wha Young,Song, In Kyu,Lee, Jong Koog 한국화학공학회 1995 Korean Journal of Chemical Engineering Vol.12 No.3
H₂ and CO permeabilities through H₃PMo_(12)O_(40)-blended polyvinylalcohol membrane and catalyst-free polyvinylalcohol membrane were measured. The blended membrane showed better selectivity and higher permeation flux of H₂ than the catalyst-free polyvinylalcohol membrane. Its enhanced H₂ separation ability was mainly due to the selective sorption property of PMo embedded in the polyvinylalcohol membrane.
DESIGN OF HETEROPOLY COMPOUND - IMBEDDED POLYMER FILM CATALYSTS AND THEIR APPLICATION
Lee, Wha Young,Song, In Kyu,Lee, Jong Koog,Park, Gyo Ik,Lim, Seong Soo 한국화학공학회 1997 Korean Journal of Chemical Engineering Vol.14 No.6
Heteropolyacid-imbedded polymer film catalysts were applied for the vapor-phase catalytic reaction. Thin film catalysts were prepared by membrane technology using homogeneous heteropolyacid-polymer solutions. It was found that heteropolyacid was finely and uniformly dispersed throughout the polymer matrix. Heteropolyacid catalyst could be designed by this method to enhance acid or oxidation catalysis. Future aspects of the film catalyst were also described in this work.